Sandblasting is a cleaning process in which dry sand particles are propelled
through a nozzle by compressed air to remove contaminants or burrs from the
surface of a workpiece. Other media that may be used include glass beads
and silicon carbide.
Information provided is from Manufacturing Processes Reference
Guide by Robert H. Todd, Dell K. Allen, and Leo Alting.--1st ed. Published by
Industrial Press Inc., 1994.